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Kubota SVL97-3 Troubleshooting
The
Kubota SVL97-3 compact track loader driveline system components: Kubota
V3800-TIE5-L 4-cylinder direct injection turbocharged diesel engine with a rated
power of 94.9 hp (70.8 kW), and 2-speed hydro transmission. The hydraulic system
has a pump with a rated flow of 23.7 gal/min (90 l/min) or 41.2 gal/min (156
l/min). The Kubota SVL97-3 is equipped with a vertical-lift loader boom,
self-leveling bucket, triple flange lower track rollers, and 17.7" (450 mm)
rubber tracks. The loader has a breakout force of 7646 lbs (3468 kg) and max
lift height of 128.5" (3265 mm) to hinge pin. The rated operating capacity is
4940 lbs (2240 kg), and tipping load is 9880 lbs (4480 kg).
| Engine Troubleshooting |
Engine difficult to start or won't start
Air in fuel tank - Bleed fuel tank.
Fuel filter element is dirty - Change the filter element.
Dirty or faulty injection nozzles - Install a new kit of correctly balanced nozzles.
Dirt or water in fuel system - Drain water or flush dirt from the system.
Valve clearance is not correct - Check and adjust.
Damaged fuel injection pump - Install a new pump or rebuild.
Engine starts but stalls immediately
Plugged air cleaner - Clean or change.
Dirty fuel filter - Clean or change the filter.
Fuel injection pump is leaking - Repair any leaks.
Clogged or defective injectors - Change or clean fuel injectors.
Fuel injection pump is defective - Replacement or repair required.
Engine shuts off suddenly during operation
Engine is cold - Engine is not warmed up to the required temperature.
Fuel filter plugging - Clean or change the filter.
Air in the fuel system - Air bleeding.
Faulty fuel injection nozzles - Install a new kit of correctly balanced nozzles.
Improper setting of fuel injection pump timing - Adjust as recommended.
Engine stops when idling
Low idle speed setting is incorrect - Test and adjust.
Fuel injection pump is broken - Repair or change injection pump.
Clogged or defective injectors - Clean fuel injectors or change it.
Valve clearance is out of adjustment - Check and adjust as required.
Lack of engine power
Air cleaner is dirty - Clean or replace air cleaner element.
Dirty or damaged injection nozzles - Inspect nozzles and replace if necessary.
Fuel injection pressure is wrong - Adjust to correct pressure.
Incorrect valve clearance - Adjustment procedure required.
Low idle speed setting is not correct - Normalize low idle speed.
Fuel lines or hoses are dirty - Clean fuel system lines and hoses.
Cylinder head gasket is worn - Install new cylinder head gasket.
Piston rings are worn or defective - Replace piston rings.
Engine overheats
Insufficient coolant fluid - Top up coolant fluid and check system for leaks.
Insufficient engine oil - Check oil level and add oil as required.
Defective radiator cap or clogged radiator core - Change cap or clean radiator.
Fan belt is loose or defective - Change as required.
Diesel engine is overloaded - Reduce engine load.
Low oil pressure
Oil level is low - Check oil level and add oil as required.
Oil filter element clogging - Service or change engine oil filter element.
Improper type of engine oil - Fill up with the correct oil viscosity.
Main bearing oil clearance is excessive - Bearings need to be reinstalled.
Defective oil pump - Install a new pump.
Engine knocking or noise
Lack of engine oil - Check and refill engine oil.
Low coolant temperature - Warm up the engine as required.
Timing of fuel injection pump is incorrect - Set it up as required.
Low idle speed set incorrectly - Correct low idle settings.
Defective fuel injectors - Test and replace fuel injectors if necessary.
Connecting rod is defective or not aligned - Need to replace or align the connecting rod.
Worn or scored pistons - Pistons replacement required.
| Drive System Troubleshooting |
Machine is not moving in one direction or either direction
Insufficient hydraulic fluid - Check and refill the hydraulic fluid.
Track mechanism is jammed or defective - Remedy jamming or repair tracks.
Input drive shaft malfunctioning - Replace or service the drive shaft.
Faulty relief valve - Change or repair relief valve.
Suction line or hydraulic filter is dirty - Clean suction line or replace hydraulic filter.
Defective or worn foot or hand controls - Repair or change.
Damaged drive pump or motor - Replace or repair faulty component.
Machine is not moving straight or moving is jerky
Damaged or jammed track mechanism - Repair or remove jamming.
Loose or worn tracks - Replace tracks or adjust track tension.
Foreign objects, debris, or dirt jammed in track frame - Clean undercarriage track frame, remove foreign objects and debris.
Reduced power
Dirty hydraulic oil filter - Check, clean, or change as necessary.
Relief valve is opened or defective - Close or change relief valve.
Transmission components are faulty or damaged - Inspect and replace faulty parts.
Worn input drive shaft - Replace or service the drive shaft.
Air leaks in hydraulic system - Air bleeding is required.
Drive system is overheated
Hydraulic oil is insufficient - Need to add oil.
Clogged hydraulic fluid filter - Replace hydraulic filter.
Relief valve defective or worn - Repair or replace.
Drive pump or hydraulic motor is damaged - Repair or change faulty component.
Plugged hydraulic oil cooler - Clean cooling fins as required.
Overloaded drive system - Reduce the load.
Drive system is noisy
Improper oil viscosity - Use oil of proper viscosity.
There is air in the hydraulic system - Air bleeding is required.
Worn hydraulic motor or drive pump - Inspect and change as required.
Worn or damaged mechanical components of drive system - Check the components for defect or damage and change if necessary.
| Hydraulics Troubleshooting |
Hydraulic system has overheating
Hydraulic pressure is not correct - Adjust pressure as required.
Main relief valve malfunction or improper adjustment - Adjust the valve or replace if necessary.
Hydraulic fluid contamination - Hydraulic fluid change required.
Not enough hydraulic fluid in the system - Fill the hydraulic system with oil.
Hydraulic pump is faulty - Repair or install new hydraulic pump.
Lift arm fails to drop or lift
Lift controls are defective - Inspect and repair if necessary.
Damaged hydraulic oil pump - Replace or repair pump if necessary.
Damaged hydraulic control valve - Repair or replace the valve.
Damaged hydraulic cylinder - Replace or repair boom cylinder.
Hydraulic fluid is insufficient - Fill the system to proper hydraulic fluid level.
Bucket can't tilt
Bucket controls failure - Repair or change.
Damaged hydraulic oil pump - Install new pump or repair it.
Damaged hydraulic control valve - Repair or replace hydraulic valve.
Hydraulic bucket cylinder not working - Repair or replace cylinder.
Insufficient hydraulic fluid - Fill the system to proper hydraulic fluid level.
Bucket or lift arm runs slowly
Hydraulic pump is defective - Test the pump flow rate and change pump if required.
Hydraulic cylinder leaking - Correct leakage by changing the seals.
Hydraulic fluid is insufficient - Fill the system to proper hydraulic fluid level.
Worn or unadjusted hydraulic control valve - Repair or adjust correctly.
Low hydraulic pressure - Correct setting is required.
Bucket or boom is jerky
Hydraulic system is leaking air - Air bleeding is required.
Dirty hydraulic oil filter element - Change or clean oil filter.
Hydraulic fluid is contaminated - The fluid must be changed.
Cylinder rod or tube is scratched - Replace damaged component.
Hydraulic pump is noisy
Lack of oil or hydraulic leakage - Top up hydraulic oil or remedy leakage in system.
Hydraulic filter clogging - Service or change hydraulic filter.
Clogged suction line - Suction line needs to be cleaned.
Pump is sucking air - Bleed air.
Faulty pump parts - Rebuild or replace hydraulic pump.
| Electrical Troubleshooting |
Battery is not charging
Wiring connections are corroded or loose - Clean or tighten connections.
Faulty battery terminal connectors - Terminal connectors should be replaced.
Defective battery - Battery replacement required.
Loose or damaged belt - Belt needs to be adjusted or changed.
Starter cranks slowly
Battery power is low - Battery needs to be recharged.
Battery does not hold charge - Service charging system or replace battery.
Disconnected cables or faulty battery terminals - Connect cables properly or replace terminals.
Starter is not working
Battery is low or faulty - Recharge or change battery.
Wiring is improperly connected or disconnected - Check wiring and connect properly.
Battery capacity is low - Battery needs to be recharged.
Damaged starter motor - Change or repair starter.
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| COMPACT TRACK LOADERS SPECIFICATIONS |